[c-nsp] BGP Route Dampening

Saku Ytti saku at ytti.fi
Mon Mar 11 07:16:33 EDT 2013


On (2013-03-11 14:08 +0300), Ahmed Hilmy wrote:

> Thanks Sahu for your reply,  would you please  clarify this point (  just
> make it negative local_pref penalty ) ?

It's not something you can do. It's just something I wish vendors would
implement.
Today if dampening triggers, route is removed from RIB, which is
undesirable to many. If instead its local_pref was decreased, we would use
more stable routes (and propagate stable routes), but if it was last route,
we'd still have reachability when route is in table.


-- 
  ++ytti


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